PluginProbe
MxChat – AI Chatbot & Content Generation for WordPress / 2.2.3
MxChat – AI Chatbot & Content Generation for WordPress v2.2.3
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← All changes | mxchat-basic.php +54 -1605 3.2.16 → 2.2.3 View file →
@@ -1,10 +1,9 @@
1 1 <?php
2 2 /**
3 3 * Plugin Name: MxChat
4 - * Plugin URI: https://mxchat.ai/
5 4 * Description: AI chatbot for WordPress with OpenAI, Claude, xAI, DeepSeek, live agent, PDF uploads, WooCommerce, and training on website data.
6 - * Version: 3.2.16
5 + * Version: 2.2.3
7 6 * Author: MxChat
8 7 * Author URI: https://mxchat.ai
9 8 * License: GPLv2 or later
10 9 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
@@ -15,418 +14,26 @@
15 14 if (!defined('ABSPATH')) {
16 15 exit; // Exit if accessed directly.
17 16 }
18 17
18 +// Define plugin version constant for asset versioning
19 +define('MXCHAT_VERSION', '2.2.3');
19 20
20 -if (!defined('MXCHAT_DEV_MODE')) {
21 - define('MXCHAT_DEV_MODE', false);
22 -}
23 -
24 -if (!defined('MXCHAT_VERSION')) {
25 - $plugin_data = get_file_data(__FILE__, array('Version' => 'Version'), 'plugin');
26 - $version = $plugin_data['Version'];
27 - // MXCHAT_BASE_VERSION: the plain header version, stable across requests even in
28 - // dev mode. Use it for anything PERSISTED or COMPARED (the stored
29 - // mxchat_plugin_version option and the migration gate in
30 - // mxchat_check_for_update). MXCHAT_VERSION keeps the time() suffix in dev for
31 - // ASSET cache-busting only — persisting the suffixed value made the version
32 - // comparison churn every request, re-running the full activation/migration
33 - // suite per page load on dev installs.
34 - define('MXCHAT_BASE_VERSION', $version);
35 - if (MXCHAT_DEV_MODE) {
36 - $version .= '.' . time();
37 - }
38 - define('MXCHAT_VERSION', $version);
39 -}
40 -
41 -/**
42 - * Honest, versioned User-Agent for MXChat remote-content ingestion fetches
43 - * (Knowledge Base PDF import, URL import, sitemap / website crawl).
44 - *
45 - * WAF rulesets (SiteGround/ModSecurity, Wordfence, Cloudflare managed rules)
46 - * flag stale spoofed-browser UAs as scrapers and return 403 — which silently
47 - * broke the single most common KB source: self-hosted media on the site's own
48 - * domain. A truthful crawler identifier is the industry norm for well-behaved
49 - * bots and lets a site owner allowlist "MXChatBot" in their WAF. Filterable so
50 - * a locked-down host can supply a different string without a code change.
51 - */
52 -if (!function_exists('mxchat_ingest_user_agent')) {
53 - function mxchat_ingest_user_agent() {
54 - $version = defined('MXCHAT_VERSION') ? MXCHAT_VERSION : '1.0';
55 - $ua = 'MXChatBot/' . $version . ' (+https://mxchat.ai/bot)';
56 - return apply_filters('mxchat_ingest_user_agent', $ua);
57 - }
58 -}
59 -
60 21 function mxchat_load_textdomain() {
61 - $domain = 'mxchat';
62 - $locale = determine_locale();
63 -
64 - // First, try to load from /wp-content/languages/plugins/ (preserved during updates)
65 - $mo_file = WP_LANG_DIR . '/plugins/' . $domain . '-' . $locale . '.mo';
66 - if (file_exists($mo_file)) {
67 - load_textdomain($domain, $mo_file);
68 - return;
69 - }
70 -
71 - // Fallback to plugin's /languages directory
72 - load_plugin_textdomain($domain, false, dirname(plugin_basename(__FILE__)) . '/languages');
22 + load_plugin_textdomain('mxchat', false, dirname(plugin_basename(__FILE__)) . '/languages');
73 23 }
74 -add_action('init', 'mxchat_load_textdomain');
24 +add_action('plugins_loaded', 'mxchat_load_textdomain');
75 25
76 -/**
77 - * One-time migration: gemini-3-pro-preview was shut down by Google on March 9, 2026.
78 - * Existing installs with the dead ID get auto-remapped to gemini-3.1-pro-preview
79 - * (Google's official migration target) the first time admin_init fires after update.
80 - */
81 -add_action('admin_init', function () {
82 - if (get_option('mxchat_gemini_3_remap_done')) {
83 - return;
84 - }
85 - $opts = get_option('mxchat_options');
86 - if (is_array($opts) && isset($opts['model']) && $opts['model'] === 'gemini-3-pro-preview') {
87 - $opts['model'] = 'gemini-3.1-pro-preview';
88 - update_option('mxchat_options', $opts);
89 - }
90 - if (is_array($opts) && isset($opts['content_model']) && $opts['content_model'] === 'gemini-3-pro-preview') {
91 - $opts['content_model'] = 'gemini-3.1-pro-preview';
92 - update_option('mxchat_options', $opts);
93 - }
94 - update_option('mxchat_gemini_3_remap_done', 1);
95 -});
96 -
97 -/**
98 - * One-time migration: the Grok 2 family was retired by xAI (grok-2, grok-2-1212,
99 - * grok-2-latest, grok-2-vision-1212 all return 400 "Model not found"). Existing
100 - * installs with the dead ID get auto-remapped to grok-4-1-fast-non-reasoning
101 - * (modern, fast, broadly available) the first time admin_init fires after update.
102 - */
103 -add_action('admin_init', function () {
104 - if (get_option('mxchat_grok_2_remap_done')) {
105 - return;
106 - }
107 - $opts = get_option('mxchat_options');
108 - if (is_array($opts) && isset($opts['model']) && $opts['model'] === 'grok-2') {
109 - $opts['model'] = 'grok-4-1-fast-non-reasoning';
110 - update_option('mxchat_options', $opts);
111 - }
112 - if (is_array($opts) && isset($opts['content_model']) && $opts['content_model'] === 'grok-2') {
113 - $opts['content_model'] = 'grok-4-1-fast-non-reasoning';
114 - update_option('mxchat_options', $opts);
115 - }
116 - update_option('mxchat_grok_2_remap_done', 1);
117 -});
118 -
119 -/**
120 - * One-time migration: Anthropic retired the Claude 4 (2025-05-14) snapshots on
121 - * June 15, 2026 — claude-opus-4-20250514 and claude-sonnet-4-20250514 now return
122 - * an API error. Existing installs with a dead ID get auto-remapped to the current
123 - * equivalents Anthropic recommends (Opus 4.8 / Sonnet 4.6) the first time admin_init
124 - * fires after update. Mirrors the gemini-3-pro-preview / grok-2 rescues above.
125 - */
126 -add_action('admin_init', function () {
127 - if (get_option('mxchat_claude_4_retire_remap_done')) {
128 - return;
129 - }
130 - $map = array(
131 - 'claude-opus-4-20250514' => 'claude-opus-4-8',
132 - 'claude-sonnet-4-20250514' => 'claude-sonnet-4-6',
133 - );
134 - $opts = get_option('mxchat_options');
135 - if (is_array($opts)) {
136 - $changed = false;
137 - if (isset($opts['model']) && isset($map[$opts['model']])) {
138 - $opts['model'] = $map[$opts['model']];
139 - $changed = true;
140 - }
141 - if (isset($opts['content_model']) && isset($map[$opts['content_model']])) {
142 - $opts['content_model'] = $map[$opts['content_model']];
143 - $changed = true;
144 - }
145 - if ($changed) {
146 - update_option('mxchat_options', $opts);
147 - }
148 - }
149 - update_option('mxchat_claude_4_retire_remap_done', 1);
150 -});
151 -
152 -/**
153 - * Exclude MxChat assets from caching plugin optimizations
154 - *
155 - * This prevents issues with WP Rocket, LiteSpeed Cache, Autoptimize, WP Super Cache,
156 - * W3 Total Cache, SG Optimizer, and similar plugins that may break the chatbot by
157 - * removing "unused" CSS, minifying/combining JS, or deferring/delaying jQuery.
158 - *
159 - * Both chat-script.js and floating-script.js depend on jQuery, so jQuery must also
160 - * be excluded from any optimization that changes load order or timing.
161 - */
162 -
163 -// ── WP Rocket ────────────────────────────────────────────────────────────────
164 -
165 -// Exclude from Remove Unused CSS (RUCSS)
166 -add_filter('rocket_rucss_inline_atts_exclusions', function($exclusions) {
167 - if (!is_array($exclusions)) $exclusions = array();
168 - $exclusions[] = 'mxchat';
169 - return $exclusions;
170 -});
171 -
172 -// Exclude CSS from minification/combination
173 -add_filter('rocket_exclude_css', function($excluded) {
174 - if (!is_array($excluded)) $excluded = array();
175 - $excluded[] = '/plugins/mxchat-basic/css/chat-style.css';
176 - return $excluded;
177 -});
178 -
179 -// Exclude JS from minification/combination
180 -add_filter('rocket_exclude_js', function($excluded) {
181 - if (!is_array($excluded)) $excluded = array();
182 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
183 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
184 - $excluded[] = '/jquery-core';
185 - $excluded[] = '/jquery.min.js';
186 - $excluded[] = '/jquery.js';
187 - $excluded[] = '/jquery-migrate';
188 - return $excluded;
189 -});
190 -
191 -// Exclude JS from defer
192 -add_filter('rocket_exclude_defer_js', function($excluded) {
193 - if (!is_array($excluded)) $excluded = array();
194 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
195 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
196 - $excluded[] = '/jquery-core';
197 - $excluded[] = '/jquery.min.js';
198 - $excluded[] = '/jquery.js';
199 - $excluded[] = '/jquery-migrate';
200 - return $excluded;
201 -});
202 -
203 -// Exclude from delay JS execution
204 -add_filter('rocket_delay_js_exclusions', function($excluded) {
205 - if (!is_array($excluded)) $excluded = array();
206 - $excluded[] = 'mxchat';
207 - $excluded[] = 'chat-script';
208 - $excluded[] = 'floating-script';
209 - $excluded[] = '/jquery-core';
210 - $excluded[] = '/jquery.min.js';
211 - $excluded[] = '/jquery.js';
212 - $excluded[] = '/jquery-migrate';
213 - return $excluded;
214 -});
215 -
216 -// ── LiteSpeed Cache ──────────────────────────────────────────────────────────
217 -
218 -// Exclude CSS from optimization
219 -add_filter('litespeed_optimize_css_excludes', function($excluded) {
220 - if (!is_array($excluded)) $excluded = array();
221 - $excluded[] = 'chat-style.css';
222 - $excluded[] = 'mxchat';
223 - return $excluded;
224 -});
225 -
226 -// Exclude from UCSS (Unique CSS) - prevents LiteSpeed from stripping "unused" MxChat CSS
227 -add_filter('litespeed_ucss_whitelist', function($whitelist) {
228 - if (!is_array($whitelist)) $whitelist = array();
229 - $whitelist[] = '.mxchat-chatbot-wrapper';
230 - $whitelist[] = '.floating-chatbot';
231 - $whitelist[] = '.floating-chatbot-button';
232 - $whitelist[] = '.chatbot-top-bar';
233 - $whitelist[] = '.mxchat-chatbot';
234 - $whitelist[] = '.chat-container';
235 - $whitelist[] = '.chat-box';
236 - $whitelist[] = '.bot-message';
237 - $whitelist[] = '.input-container';
238 - $whitelist[] = '.chat-input';
239 - $whitelist[] = '.send-button';
240 - $whitelist[] = '.pre-chat-message';
241 - $whitelist[] = '.mxchat-popular-questions';
242 - $whitelist[] = '.chat-toolbar';
243 - $whitelist[] = '.exit-chat';
244 - $whitelist[] = '.email-blocker';
245 - return $whitelist;
246 -});
247 -
248 -// Exclude CSS from CCSS (Critical CSS) generation
249 -add_filter('litespeed_optm_ccss_exc', function($excluded) {
250 - if (!is_array($excluded)) $excluded = array();
251 - $excluded[] = 'chat-style.css';
252 - $excluded[] = 'mxchat';
253 - return $excluded;
254 -});
255 -
256 -// Exclude JS from defer
257 -add_filter('litespeed_optm_js_defer_exc', function($excluded) {
258 - if (!is_array($excluded)) $excluded = array();
259 - $excluded[] = 'chat-script.js';
260 - $excluded[] = 'floating-script.js';
261 - $excluded[] = 'mxchat';
262 - $excluded[] = 'jquery.min.js';
263 - $excluded[] = 'jquery.js';
264 - return $excluded;
265 -});
266 -
267 -// Exclude JS from combining
268 -add_filter('litespeed_optm_js_exc', function($excluded) {
269 - if (!is_array($excluded)) $excluded = array();
270 - $excluded[] = 'chat-script.js';
271 - $excluded[] = 'floating-script.js';
272 - $excluded[] = 'mxchat';
273 - $excluded[] = 'jquery.min.js';
274 - $excluded[] = 'jquery.js';
275 - return $excluded;
276 -});
277 -
278 -// Exclude JS from delayed execution
279 -add_filter('litespeed_optm_js_delay_exc', function($excluded) {
280 - if (!is_array($excluded)) $excluded = array();
281 - $excluded[] = 'chat-script.js';
282 - $excluded[] = 'floating-script.js';
283 - $excluded[] = 'mxchat';
284 - return $excluded;
285 -});
286 -
287 -// Exclude from Guest Mode optimization
288 -add_filter('litespeed_guest_optm_exc', function($excluded) {
289 - if (!is_array($excluded)) $excluded = array();
290 - $excluded[] = 'mxchat';
291 - $excluded[] = 'chat-style';
292 - $excluded[] = 'chat-script';
293 - $excluded[] = 'floating-script';
294 - return $excluded;
295 -});
296 -
297 -// ── Autoptimize ──────────────────────────────────────────────────────────────
298 -
299 -// Exclude CSS from optimization (comma-separated strings)
300 -add_filter('autoptimize_filter_css_exclude', function($excluded) {
301 - if (!is_string($excluded)) $excluded = '';
302 - return $excluded . ', mxchat, chat-style.css';
303 -});
304 -
305 -// Exclude JS from optimization (comma-separated strings)
306 -add_filter('autoptimize_filter_js_exclude', function($excluded) {
307 - if (!is_string($excluded)) $excluded = '';
308 - return $excluded . ', mxchat, chat-script.js, floating-script.js, jquery.min.js, jquery.js';
309 -});
310 -
311 -// ── SG Optimizer (SiteGround) ────────────────────────────────────────────────
312 -
313 -add_filter('sgo_js_minify_exclude', function($excluded) {
314 - if (!is_array($excluded)) $excluded = array();
315 - $excluded[] = 'chat-script.js';
316 - $excluded[] = 'floating-script.js';
317 - $excluded[] = 'jquery.min.js';
318 - return $excluded;
319 -});
320 -
321 -add_filter('sgo_javascript_combine_exclude', function($excluded) {
322 - if (!is_array($excluded)) $excluded = array();
323 - $excluded[] = 'chat-script.js';
324 - $excluded[] = 'floating-script.js';
325 - $excluded[] = 'jquery.min.js';
326 - return $excluded;
327 -});
328 -
329 -add_filter('sgo_js_async_exclude', function($excluded) {
330 - if (!is_array($excluded)) $excluded = array();
331 - $excluded[] = 'chat-script.js';
332 - $excluded[] = 'floating-script.js';
333 - $excluded[] = 'jquery.min.js';
334 - return $excluded;
335 -});
336 -
337 -// ── W3 Total Cache ───────────────────────────────────────────────────────────
338 -
339 -add_filter('w3tc_minify_js_do_tag_minification', function($do_minify, $script_tag, $file) {
340 - if (strpos($file, 'chat-script.js') !== false ||
341 - strpos($file, 'floating-script.js') !== false ||
342 - strpos($file, 'jquery.min.js') !== false ||
343 - strpos($file, 'jquery.js') !== false) {
344 - return false;
345 - }
346 - return $do_minify;
347 -}, 10, 3);
348 -
349 -// ── WP Super Cache ──────────────────────────────────────────────────────────
350 -
351 -add_filter('wpsc_rejected_uri', function($rejected) {
352 - if (!is_array($rejected)) $rejected = array();
353 - $rejected[] = 'wp-admin/admin-ajax.php';
354 - return $rejected;
355 -});
356 -
357 -// ── Page-cache bypass for chat AJAX (companion to the 3.2.6 nonce-race hotfix)
358 -// Each cache plugin gets its own filter export so that visitors hitting an
359 -// edge-cached page never receive cached chat-AJAX responses. The chat send /
360 -// stream send / file upload all POST to /wp-admin/admin-ajax.php with
361 -// `action=mxchat_*`. Without these exports, a cache plugin can stale a response
362 -// and break the per-session nonce flow on the first message.
363 -
364 -// WP Rocket — `rocket_cache_reject_uri` takes a flat array of regex strings.
365 -add_filter('rocket_cache_reject_uri', function($uris) {
366 - if (!is_array($uris)) $uris = array();
367 - $uris[] = '/wp-admin/admin-ajax\.php\?action=mxchat_.*';
368 - return $uris;
369 -});
370 -
371 -// LiteSpeed Cache — `litespeed_cache_no_cache_for_request` short-circuits
372 -// caching when the request matches our chat-AJAX pattern.
373 -add_filter('litespeed_cache_no_cache_for_request', function($no_cache) {
374 - if ($no_cache) return $no_cache;
375 - if (!empty($_SERVER['REQUEST_URI']) &&
376 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
377 - !empty($_REQUEST['action']) &&
378 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
379 - return true;
380 - }
381 - return $no_cache;
382 -});
383 -
384 -// W3 Total Cache — `w3tc_pgcache_request_skip_uri` flips page-cache off when
385 -// the URI matches.
386 -add_filter('w3tc_pgcache_request_skip_uri', function($skip) {
387 - if ($skip) return $skip;
388 - if (!empty($_SERVER['REQUEST_URI']) &&
389 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
390 - !empty($_REQUEST['action']) &&
391 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
392 - return true;
393 - }
394 - return $skip;
395 -});
396 -
397 -// FlyingPress — `flying_press_cacheable` takes a boolean and is run per
398 -// request. Same pattern as LiteSpeed / W3TC.
399 -add_filter('flying_press_cacheable', function($cacheable) {
400 - if (!$cacheable) return $cacheable;
401 - if (!empty($_SERVER['REQUEST_URI']) &&
402 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
403 - !empty($_REQUEST['action']) &&
404 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
405 - return false;
406 - }
407 - return $cacheable;
408 -});
409 -
410 26 // Include classes with error handling
411 27 function mxchat_include_classes() {
412 28 $class_files = array(
413 - 'includes/class-mxchat-model-catalog.php',
414 - 'includes/class-mxchat-live-agent-schedule.php',
415 - 'includes/class-mxchat-tool-registry.php',
416 29 'includes/class-mxchat-integrator.php',
417 30 'includes/class-mxchat-admin.php',
418 31 'includes/class-mxchat-public.php',
419 32 'includes/class-mxchat-utils.php',
420 33 'includes/class-mxchat-user.php',
421 - 'includes/class-mxchat-privacy.php',
422 - 'includes/class-mxchat-meta-box.php',
423 - 'includes/class-mxchat-chunker.php',
34 + 'includes/pdf-parser/alt_autoload.php',
424 35 'includes/class-mxchat-word-handler.php',
425 - 'includes/class-mxchat-content-generator.php',
426 - 'includes/class-mxchat-cache-purge.php',
427 - 'includes/class-mxchat-editor-assistant.php',
428 - 'includes/class-rest-api.php',
429 36 'admin/class-ajax-handler.php',
430 37 'admin/class-pinecone-manager.php',
431 38 'admin/class-knowledge-manager.php'
432 39 );
@@ -435,102 +42,20 @@
435 42 $file_path = plugin_dir_path(__FILE__) . $file;
436 43 if (file_exists($file_path)) {
437 44 require_once $file_path;
438 45 } else {
439 - //error_log('MxChat: Missing class file - ' . $file);
46 + error_log('MxChat: Missing class file - ' . $file);
440 47 }
441 48 }
442 -
443 - // Register the native function-calling admin-post save handler (a41dee).
444 - if (class_exists('MxChat_Tool_Registry')) {
445 - MxChat_Tool_Registry::init();
446 - }
447 -
448 - // GDPR: register with WP's personal-data export/erase tools (b81e42).
449 - if (class_exists('MxChat_Privacy')) {
450 - MxChat_Privacy::init();
451 - }
452 -
453 - // Editor Assistant — free, OFF-by-default block-editor AI actions (plan-8cb0cb).
454 - // init() wires REST + streaming AJAX + sidebar enqueue ONLY when the
455 - // mxchat_editor_assistant_enabled option is 'on'; otherwise zero footprint.
456 - if (class_exists('MxChat_Editor_Assistant')) {
457 - MxChat_Editor_Assistant::init();
458 - }
459 -
460 - // Admin pages that aren't classes (procedural include).
461 - if (is_admin()) {
462 - $admin_api_page = plugin_dir_path(__FILE__) . 'includes/admin-api-page.php';
463 - if (file_exists($admin_api_page)) {
464 - require_once $admin_api_page;
465 - }
466 - // f7c7d4 renamed this file admin-dashboard-page.php → admin-onboarding-page.php.
467 - // The require MUST live here (admin bootstrap) and not just inside
468 - // mxchat_add_plugin_page() on the admin_menu hook — admin_menu does NOT
469 - // fire on admin-ajax.php requests, so the wizard's AJAX handlers
470 - // (plan-905439: mxchat_onboarding_kb_status / save_step / mark_step /
471 - // auto_graduate + the f7c7d4 dismiss handler) would never register.
472 - $admin_onboarding_page = plugin_dir_path(__FILE__) . 'includes/admin-onboarding-page.php';
473 - if (file_exists($admin_onboarding_page)) {
474 - require_once $admin_onboarding_page;
475 - }
476 - }
477 49 }
478 50
479 -/**
480 - * Lazy-load the PDF parser library only when needed.
481 - * Avoids loading 44 files on every page request.
482 - */
483 -function mxchat_load_pdf_parser() {
484 - if (class_exists('\Smalot\PdfParser\Parser')) {
485 - return true;
486 - }
487 - $autoload_path = plugin_dir_path(__FILE__) . 'includes/pdf-parser/alt_autoload.php';
488 - if (file_exists($autoload_path)) {
489 - require_once $autoload_path;
490 - return true;
491 - }
492 - return false;
493 -}
494 -
495 -/**
496 - * Create URL click tracking table
497 - */
498 -function mxchat_create_url_clicks_table() {
51 +function mxchat_activate() {
499 52 global $wpdb;
500 -
501 - $table_name = $wpdb->prefix . 'mxchat_url_clicks';
502 -
503 53 $charset_collate = $wpdb->get_charset_collate();
504 -
505 - $sql = "CREATE TABLE $table_name (
506 - id mediumint(9) NOT NULL AUTO_INCREMENT,
507 - session_id varchar(100) NOT NULL,
508 - clicked_url text NOT NULL,
509 - message_context text,
510 - click_timestamp datetime DEFAULT CURRENT_TIMESTAMP,
511 - user_ip varchar(45),
512 - user_agent text,
513 - PRIMARY KEY (id),
514 - KEY session_id (session_id),
515 - KEY click_timestamp (click_timestamp)
516 - ) $charset_collate;";
517 -
518 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
519 - dbDelta($sql);
520 -}
521 54
522 -/**
523 - * FIXED: Robust table creation and column management
524 - */
525 -function mxchat_create_chat_transcripts_table() {
526 - global $wpdb;
527 -
528 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
529 - $charset_collate = $wpdb->get_charset_collate();
530 -
531 - // Create table with ALL columns including user_name from the start
532 - $sql = "CREATE TABLE $table_name (
55 + // Chat Transcripts Table
56 + $chat_transcripts_table = $wpdb->prefix . 'mxchat_chat_transcripts';
57 + $sql_chat_transcripts = "CREATE TABLE $chat_transcripts_table (
533 58 id MEDIUMINT(9) NOT NULL AUTO_INCREMENT,
534 59 user_id MEDIUMINT(9) DEFAULT 0,
535 60 session_id VARCHAR(255) NOT NULL,
536 61 role VARCHAR(255) NOT NULL,
@@ -535,622 +60,25 @@
535 60 session_id VARCHAR(255) NOT NULL,
536 61 role VARCHAR(255) NOT NULL,
537 62 message TEXT NOT NULL,
538 63 user_email VARCHAR(255) DEFAULT NULL,
539 - user_name VARCHAR(100) DEFAULT NULL,
540 - user_identifier VARCHAR(255) DEFAULT NULL,
541 - originating_page_url TEXT DEFAULT NULL,
542 - originating_page_title VARCHAR(500) DEFAULT NULL,
543 64 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
544 - PRIMARY KEY (id),
545 - KEY session_id (session_id),
546 - KEY user_email (user_email),
547 - KEY timestamp (timestamp)
65 + PRIMARY KEY (id)
548 66 ) $charset_collate;";
549 -
550 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
551 - $result = dbDelta($sql);
552 -
553 - // Log the result for debugging
554 - if (empty($result)) {
555 - //error_log("MxChat: dbDelta returned empty result for chat transcripts table");
556 - } else {
557 - //error_log("MxChat: dbDelta result: " . print_r($result, true));
558 - }
559 -
560 - // IMPORTANT: Ensure all columns exist for existing installations
561 - mxchat_ensure_all_columns($table_name);
562 -}
563 67
564 -/**
565 - * Ensure all required columns exist (for upgrades)
566 - */
567 -function mxchat_ensure_all_columns($table_name) {
568 - global $wpdb;
569 -
570 - // First check if table exists
571 - $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
572 - if (!$table_exists) {
573 - //error_log("MxChat: Table $table_name does not exist, cannot add columns");
574 - return;
575 - }
576 -
577 - // Define all required columns and their types
578 - $required_columns = [
579 - 'user_identifier' => 'VARCHAR(255) DEFAULT NULL',
580 - 'user_email' => 'VARCHAR(255) DEFAULT NULL',
581 - 'user_name' => 'VARCHAR(100) DEFAULT NULL',
582 - 'originating_page_url' => 'TEXT DEFAULT NULL',
583 - 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL',
584 - 'rag_context' => 'LONGTEXT DEFAULT NULL'
585 - ];
586 -
587 - // Get existing columns
588 - $existing_columns = $wpdb->get_results("SHOW COLUMNS FROM $table_name");
589 - if (empty($existing_columns)) {
590 - //error_log("MxChat: Could not get columns for table $table_name");
591 - return;
592 - }
593 -
594 - $existing_column_names = array_column($existing_columns, 'Field');
595 -
596 - // Add missing columns
597 - foreach ($required_columns as $column_name => $column_definition) {
598 - if (!in_array($column_name, $existing_column_names)) {
599 - $alter_sql = "ALTER TABLE $table_name ADD COLUMN $column_name $column_definition";
600 - $result = $wpdb->query($alter_sql);
601 -
602 - if ($result === false) {
603 - //error_log("MxChat: Failed to add column $column_name to $table_name. Error: " . $wpdb->last_error);
604 - } else {
605 - //error_log("MxChat: Successfully added column $column_name to $table_name");
606 - }
607 - }
608 - }
609 -}
610 -
611 -/**
612 - * Add role restriction column to knowledge base table
613 - */
614 -function mxchat_add_role_restriction_column() {
615 - global $wpdb;
616 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
617 -
618 - // Check if table exists first
619 - $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
620 - if (!$table_exists) {
621 - //error_log("MxChat: System prompt content table does not exist, cannot add role_restriction column");
622 - return;
623 - }
624 -
625 - // Check if column already exists
626 - $column_exists = $wpdb->get_results(
627 - $wpdb->prepare(
628 - "SHOW COLUMNS FROM {$table_name} LIKE %s",
629 - 'role_restriction'
630 - )
631 - );
632 -
633 - if (empty($column_exists)) {
634 - $alter_sql = "ALTER TABLE {$table_name} ADD COLUMN role_restriction VARCHAR(50) DEFAULT 'public' AFTER source_url";
635 - $result = $wpdb->query($alter_sql);
636 -
637 - if ($result === false) {
638 - //error_log("MxChat: Failed to add role_restriction column. Error: " . $wpdb->last_error);
639 - } else {
640 - //error_log("MxChat: Successfully added role_restriction column");
641 -
642 - // Set all existing records to 'public' (everyone can access)
643 - $update_result = $wpdb->query(
644 - "UPDATE {$table_name}
645 - SET role_restriction = 'public'
646 - WHERE role_restriction IS NULL OR role_restriction = ''"
647 - );
648 -
649 - if ($update_result !== false) {
650 - //error_log("MxChat: Updated {$update_result} existing records to public access");
651 - }
652 - }
653 - }
654 -}
655 -
656 -/**
657 - * Add enabled_bots column to intents table for multi-bot action filtering
658 - */
659 -function mxchat_add_enabled_bots_column() {
660 - global $wpdb;
661 - $table_name = $wpdb->prefix . 'mxchat_intents';
662 -
663 - // Check if table exists first
664 - $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
665 - if (!$table_exists) {
666 - //error_log("MxChat: Intents table does not exist, cannot add enabled_bots column");
667 - return;
668 - }
669 -
670 - // Check if column already exists
671 - $column_exists = $wpdb->get_results(
672 - $wpdb->prepare(
673 - "SHOW COLUMNS FROM {$table_name} LIKE %s",
674 - 'enabled_bots'
675 - )
676 - );
677 -
678 - if (empty($column_exists)) {
679 - $alter_sql = "ALTER TABLE {$table_name} ADD COLUMN enabled_bots LONGTEXT DEFAULT NULL AFTER enabled";
680 - $result = $wpdb->query($alter_sql);
681 -
682 - if ($result === false) {
683 - //error_log("MxChat: Failed to add enabled_bots column. Error: " . $wpdb->last_error);
684 - } else {
685 - //error_log("MxChat: Successfully added enabled_bots column");
686 -
687 - // Set all existing actions to work with 'default' bot for backward compatibility
688 - $default_bots = json_encode(['default']);
689 - $update_result = $wpdb->query(
690 - $wpdb->prepare(
691 - "UPDATE {$table_name}
692 - SET enabled_bots = %s
693 - WHERE enabled_bots IS NULL OR enabled_bots = ''",
694 - $default_bots
695 - )
696 - );
697 -
698 - if ($update_result !== false) {
699 - //error_log("MxChat: Updated {$update_result} existing actions to work with default bot");
700 - }
701 - }
702 - }
703 -}
704 -
705 -/**
706 - * Create Pinecone role restrictions table with multi-bot support
707 - */
708 -function mxchat_create_pinecone_roles_table() {
709 - global $wpdb;
710 -
711 - $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
712 - $charset_collate = $wpdb->get_charset_collate();
713 -
714 - $sql = "CREATE TABLE $table_name (
715 - id mediumint(9) NOT NULL AUTO_INCREMENT,
716 - vector_id varchar(255) NOT NULL,
717 - bot_id varchar(50) NOT NULL DEFAULT 'default',
718 - source_url text,
719 - role_restriction varchar(50) DEFAULT 'public',
720 - updated_at timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
721 - PRIMARY KEY (id),
722 - UNIQUE KEY vector_bot (vector_id, bot_id),
723 - KEY role_restriction (role_restriction),
724 - KEY bot_id (bot_id)
725 - ) $charset_collate;";
726 -
727 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
728 - dbDelta($sql);
729 -}
730 -
731 -/**
732 - * Add bot_id column to mxchat_pinecone_roles table for multi-bot support
733 - * This migration runs once to update existing installations
734 - */
735 -function mxchat_migrate_pinecone_roles_add_bot_id() {
736 - global $wpdb;
737 -
738 - // Check if migration already ran
739 - $migration_version = get_option('mxchat_pinecone_roles_migration_version', '0');
740 - if (version_compare($migration_version, '2.5.2', '>=')) {
741 - return; // Already migrated
742 - }
743 -
744 - $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
745 -
746 - // Check if table exists
747 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
748 - return; // Table doesn't exist yet
749 - }
750 -
751 - // Check if bot_id column already exists
752 - $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'bot_id'");
753 -
754 - if (empty($column_exists)) {
755 - // Add bot_id column
756 - $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN bot_id VARCHAR(50) NOT NULL DEFAULT 'default' AFTER vector_id");
757 -
758 - // Update the unique key to include bot_id
759 - $wpdb->query("ALTER TABLE {$table_name} DROP INDEX vector_id");
760 - $wpdb->query("ALTER TABLE {$table_name} ADD UNIQUE KEY vector_bot (vector_id, bot_id)");
761 -
762 - // Add index for bot_id
763 - $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
764 -
765 - //error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
766 - }
767 -
768 - // Mark migration as complete
769 - update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
770 -}
771 -
772 -/**
773 - * 2.5.6: Add content_type column to mxchat_system_prompt_content table
774 - * Enables filtering knowledge base by content type (posts, pages, PDFs, etc.)
775 - */
776 -function mxchat_migrate_add_content_type_column() {
777 - global $wpdb;
778 -
779 - // Check if migration already ran
780 - $migration_version = get_option('mxchat_content_type_migration_version', '0');
781 - if (version_compare($migration_version, '2.5.6', '>=')) {
782 - return;
783 - }
784 -
785 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
786 -
787 - // Check if table exists
788 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
789 - return;
790 - }
791 -
792 - // Check if content_type column already exists
793 - $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'content_type'");
794 -
795 - if (empty($column_exists)) {
796 - // Add content_type column with default value 'content' for backwards compatibility
797 - $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN content_type VARCHAR(50) DEFAULT 'content' AFTER role_restriction");
798 -
799 - // Add index for better query performance
800 - $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
801 -
802 - //error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
803 - }
804 -
805 - // Mark migration as complete
806 - update_option('mxchat_content_type_migration_version', '2.5.6');
807 -}
808 -
809 -/**
810 - * 3.2.4: Backfill the active embedding model option for installs that already
811 - * have KB content but no stamped model. The mismatch warning compares this
812 - * against the user's currently selected model — no per-row column needed.
813 - */
814 -function mxchat_backfill_active_embedding_model() {
815 - global $wpdb;
816 -
817 - if (get_option('mxchat_active_embedding_model', '') !== '') {
818 - return;
819 - }
820 -
821 - $kb_table = $wpdb->prefix . 'mxchat_system_prompt_content';
822 - if ($wpdb->get_var("SHOW TABLES LIKE '{$kb_table}'") !== $kb_table) {
823 - return;
824 - }
825 -
826 - $kb_count = (int) $wpdb->get_var("SELECT COUNT(*) FROM {$kb_table}");
827 - if ($kb_count > 0) {
828 - $options = get_option('mxchat_options', array());
829 - $current_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
830 - update_option('mxchat_active_embedding_model', $current_model, false);
831 - }
832 -}
833 -
834 -/**
835 - * 2.5.2: Create queue processing tables for reliable background processing
836 - */
837 -function mxchat_create_queue_tables() {
838 - global $wpdb;
839 - $charset_collate = $wpdb->get_charset_collate();
840 -
841 - // Main queue table
842 - $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
843 - $sql_queue = "CREATE TABLE $queue_table (
844 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
845 - queue_id varchar(64) NOT NULL,
846 - item_type varchar(20) NOT NULL,
847 - item_data longtext NOT NULL,
848 - status varchar(20) NOT NULL DEFAULT 'pending',
849 - bot_id varchar(50) NOT NULL DEFAULT 'default',
850 - priority int(11) NOT NULL DEFAULT 0,
851 - attempts int(11) NOT NULL DEFAULT 0,
852 - max_attempts int(11) NOT NULL DEFAULT 3,
853 - error_message text DEFAULT NULL,
854 - created_at datetime NOT NULL,
855 - started_at datetime DEFAULT NULL,
856 - completed_at datetime DEFAULT NULL,
857 - PRIMARY KEY (id),
858 - KEY queue_id (queue_id),
859 - KEY status (status),
860 - KEY item_type (item_type),
861 - KEY priority (priority)
862 - ) $charset_collate;";
863 -
864 - // Queue metadata table
865 - $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
866 - $sql_meta = "CREATE TABLE $meta_table (
867 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
868 - queue_id varchar(64) NOT NULL,
869 - meta_key varchar(255) NOT NULL,
870 - meta_value longtext,
871 - PRIMARY KEY (id),
872 - KEY queue_id (queue_id),
873 - KEY meta_key (meta_key)
874 - ) $charset_collate;";
875 -
876 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
877 - dbDelta($sql_queue);
878 - dbDelta($sql_meta);
879 -
880 - //error_log("MxChat: Queue tables created/updated successfully");
881 -}
882 -
883 -/**
884 - * Create transcript translations table for persisting translations
885 - */
886 -function mxchat_create_translations_table() {
887 - global $wpdb;
888 - $charset_collate = $wpdb->get_charset_collate();
889 -
890 - $table_name = $wpdb->prefix . 'mxchat_transcript_translations';
891 - $sql = "CREATE TABLE $table_name (
892 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
893 - session_id varchar(255) NOT NULL,
894 - language_code varchar(10) NOT NULL,
895 - translations longtext NOT NULL,
896 - created_at datetime NOT NULL,
897 - updated_at datetime NOT NULL,
898 - PRIMARY KEY (id),
899 - UNIQUE KEY session_lang (session_id, language_code),
900 - KEY session_id (session_id)
901 - ) $charset_collate;";
902 -
903 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
904 - dbDelta($sql);
905 -}
906 -
907 -/**
908 - * Create per-session satisfaction ratings table (v3.2.6)
909 - * Stores one 👍/👎 rating + optional feedback per chat session.
910 - */
911 -function mxchat_create_session_ratings_table() {
912 - global $wpdb;
913 - $charset_collate = $wpdb->get_charset_collate();
914 -
915 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
916 - $sql = "CREATE TABLE $table_name (
917 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
918 - session_id varchar(255) NOT NULL,
919 - bot_id varchar(50) NOT NULL DEFAULT 'default',
920 - rating_value tinyint(1) NOT NULL,
921 - rating_feedback text DEFAULT NULL,
922 - created_at datetime NOT NULL,
923 - PRIMARY KEY (id),
924 - UNIQUE KEY session_id (session_id),
925 - KEY bot_id (bot_id),
926 - KEY created_at (created_at)
927 - ) $charset_collate;";
928 -
929 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
930 - dbDelta($sql);
931 -}
932 -
933 -/**
934 - * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
935 - * This fixes "url, source_url. The supplied values may be too long" errors
936 - */
937 -function mxchat_fix_url_column_size() {
938 - global $wpdb;
939 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
940 -
941 - // Check if table exists
942 - $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
943 - if (!$table_exists) {
944 - return;
945 - }
946 -
947 - // Change url and source_url from VARCHAR to TEXT to handle long URLs
948 - // This is especially important for URLs with UTF-8 encoded characters (Hebrew, Arabic, etc.)
949 - $wpdb->query("ALTER TABLE {$table_name} MODIFY COLUMN url TEXT");
950 - $wpdb->query("ALTER TABLE {$table_name} MODIFY COLUMN source_url TEXT");
951 -
952 - //error_log("MxChat: Successfully updated url and source_url columns to TEXT type for long URL support");
953 -}
954 -
955 -/**
956 - * Migrate deprecated AI models to their replacements
957 - * Version 2.5.1: Migrate Claude 3.5 Sonnet (deprecated) to Claude 3.7 Sonnet
958 - * Version 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
959 - * Without utf8mb4, any bot response containing emojis silently fails to insert.
960 - */
961 -function mxchat_migrate_transcripts_charset() {
962 - global $wpdb;
963 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
964 - $wpdb->query("ALTER TABLE $table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
965 -}
966 -
967 -/**
968 - * Version 3.0.55: Migrate GPT-4 series models (deprecated 2026-02-17) to GPT-5 series
969 - */
970 -function mxchat_migrate_deprecated_models() {
971 - $options = get_option('mxchat_options', array());
972 - $migrated = false;
973 - $migration_message = '';
974 -
975 - if (!isset($options['model'])) {
976 - return;
977 - }
978 -
979 - $current_model = $options['model'];
980 -
981 - // Migrate deprecated Claude models to Claude Opus 4.6 (recommended replacement per Anthropic)
982 - $deprecated_claude_models = array(
983 - 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
984 - 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
985 - 'claude-3-7-sonnet-20250219', // Retiring Feb 19, 2026
986 - 'claude-3-opus-20240229', // Retired Jan 5, 2026
987 - 'claude-3-sonnet-20240229', // Legacy
988 - 'claude-3-haiku-20240307', // Legacy
989 - );
990 - if (in_array($current_model, $deprecated_claude_models, true)) {
991 - $options['model'] = 'claude-opus-4-6';
992 - $migrated = true;
993 - $migration_message = sprintf(
994 - 'Your chatbot model has been automatically updated from %s to Claude Opus 4.6 due to Anthropic deprecating older Claude models.',
995 - $current_model
996 - );
997 - }
998 -
999 - // Migrate deprecated Claude Haiku 3.5 to Claude Haiku 4.5
1000 - if ($current_model === 'claude-3-5-haiku-20241022') {
1001 - $options['model'] = 'claude-haiku-4-5-20251001';
1002 - $migrated = true;
1003 - $migration_message = 'Your chatbot model has been automatically updated from Claude Haiku 3.5 to Claude Haiku 4.5 due to Anthropic deprecating the older model.';
1004 - }
1005 -
1006 - // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.6 Sol.
1007 - // (Previous target gpt-5.1-chat-latest itself retires 2026-08-10 — never
1008 - // migrate onto a model that is already on a deprecation list.)
1009 - if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
1010 - $options['model'] = 'gpt-5.6-sol';
1011 - $migrated = true;
1012 - $migration_message = sprintf(
1013 - 'Your chatbot model has been automatically updated from %s to GPT-5.6 Sol due to OpenAI deprecating older models.',
1014 - $current_model
1015 - );
1016 - }
1017 -
1018 - // Migrate the gpt-5.x-chat-latest aliases OpenAI retires on August 10, 2026.
1019 - // Replacement per OpenAI's deprecations page: gpt-5.6-sol (plan e46b8f).
1020 - if (in_array($current_model, array('gpt-5.1-chat-latest', 'gpt-5.3-chat-latest'), true)) {
1021 - $options['model'] = 'gpt-5.6-sol';
1022 - $migrated = true;
1023 - $migration_message = sprintf(
1024 - 'Your chatbot model has been automatically updated from %s to GPT-5.6 Sol because OpenAI retires the GPT-5.x Chat Latest models on August 10, 2026.',
1025 - $current_model
1026 - );
1027 - }
1028 -
1029 - // The content generator has its own model option — same retirement applies.
1030 - if (isset($options['content_model'])
1031 - && in_array($options['content_model'], array('gpt-5.1-chat-latest', 'gpt-5.3-chat-latest'), true)) {
1032 - $old_content_model = $options['content_model'];
1033 - $options['content_model'] = 'gpt-5.6-sol';
1034 - $migrated = true;
1035 - $migration_message = trim($migration_message . ' ' . sprintf(
1036 - 'Your content generation model has also been updated from %s to GPT-5.6 Sol for the same OpenAI retirement.',
1037 - $old_content_model
1038 - ));
1039 - }
1040 -
1041 - // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
1042 - if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
1043 - $options['model'] = 'gpt-5-mini';
1044 - $migrated = true;
1045 - $migration_message = sprintf(
1046 - 'Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.',
1047 - $current_model
1048 - );
1049 - }
1050 -
1051 - // Migrate retired DeepSeek ids to DeepSeek V4 Flash — the vendor removed
1052 - // deepseek-chat and deepseek-reasoner on 2026-07-24 (hard cutoff, every
1053 - // request 400s). V4 Flash is DeepSeek's designated successor for the
1054 - // legacy deepseek-chat alias.
1055 - if (in_array($current_model, array('deepseek-chat', 'deepseek-reasoner'), true)) {
1056 - $options['model'] = 'deepseek-v4-flash';
1057 - $migrated = true;
1058 - $migration_message = sprintf(
1059 - 'Your chatbot model has been automatically updated from %s to DeepSeek V4 Flash because DeepSeek retired its older API models on July 24, 2026.',
1060 - $current_model
1061 - );
1062 - }
1063 -
1064 - if ($migrated) {
1065 - update_option('mxchat_options', $options);
1066 - update_option('mxchat_model_migrated_notice', true);
1067 - update_option('mxchat_model_migration_message', $migration_message);
1068 - }
1069 -}
1070 -
1071 -/**
1072 - * Show admin notice after model migration
1073 - */
1074 -function mxchat_show_migration_notice() {
1075 - if (get_option('mxchat_model_migrated_notice')) {
1076 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
1077 - ?>
1078 - <div class="notice notice-info is-dismissible">
1079 - <p>
1080 - <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
1081 - <?php echo esc_html($migration_message); ?>
1082 - </p>
1083 - </div>
1084 - <?php
1085 - delete_option('mxchat_model_migrated_notice');
1086 - delete_option('mxchat_model_migration_message');
1087 - }
1088 -}
1089 -
1090 -/**
1091 - * Persistent admin notice when the provider rejected the configured model
1092 - * (model_not_found / no access). Set by mxchat_friendly_chat_error() in the
1093 - * integrator whenever a chat request fails on a model-access error — including
1094 - * requests from anonymous visitors, which is the case that otherwise stays
1095 - * invisible to the site owner for weeks (plan e46b8f).
1096 - *
1097 - * Deleted after render so it re-arms on the next failed chat: the notice keeps
1098 - * reappearing until the model is fixed, then stops on its own.
1099 - */
1100 -function mxchat_show_model_access_notice() {
1101 - if (!current_user_can('manage_options')) {
1102 - return;
1103 - }
1104 - $notice = get_option('mxchat_model_access_notice');
1105 - if (!is_array($notice) || empty($notice['model'])) {
1106 - return;
1107 - }
1108 - $settings_url = admin_url('admin.php?page=mxchat-max');
1109 - ?>
1110 - <div class="notice notice-error is-dismissible">
1111 - <p>
1112 - <strong><?php esc_html_e('MxChat: your AI model is being rejected by the provider', 'mxchat'); ?></strong><br>
1113 - <?php
1114 - printf(
1115 - /* translators: 1: model id, 2: provider name */
1116 - esc_html__('Chat requests using the model "%1$s" are failing because %2$s reports it as unavailable on your API key (it may have been retired). Visitors may be seeing errors instead of replies.', 'mxchat'),
1117 - esc_html($notice['model']),
1118 - esc_html(!empty($notice['provider']) ? $notice['provider'] : __('the AI provider', 'mxchat'))
1119 - );
1120 - ?>
1121 - <a href="<?php echo esc_url($settings_url); ?>"><?php esc_html_e('Choose a different model in MxChat Settings', 'mxchat'); ?></a>
1122 - </p>
1123 - </div>
1124 - <?php
1125 - delete_option('mxchat_model_access_notice');
1126 -}
1127 -
1128 -function mxchat_activate() {
1129 - global $wpdb;
1130 - $charset_collate = $wpdb->get_charset_collate();
1131 -
1132 - //error_log("MxChat: Running activation function");
1133 -
1134 - // Create chat transcripts table with improved function
1135 - mxchat_create_chat_transcripts_table();
1136 -
1137 - // System Prompt Content Table - UPDATED: Use TEXT for url and source_url columns
68 + // System Prompt Content Table
1138 69 $system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
1139 70 $sql_system_prompt = "CREATE TABLE $system_prompt_table (
1140 71 id MEDIUMINT(9) NOT NULL AUTO_INCREMENT,
1141 - url TEXT NOT NULL,
72 + url VARCHAR(255) NOT NULL,
1142 73 article_content LONGTEXT NOT NULL,
1143 74 embedding_vector LONGTEXT,
1144 - source_url TEXT DEFAULT NULL,
1145 - role_restriction VARCHAR(50) DEFAULT 'public',
1146 - content_type VARCHAR(50) DEFAULT 'content',
75 + source_url VARCHAR(255) DEFAULT NULL,
1147 76 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
1148 - PRIMARY KEY (id),
1149 - KEY content_type (content_type)
77 + PRIMARY KEY (id)
1150 78 ) $charset_collate;";
1151 79
1152 - // Intents Table - NOW INCLUDES enabled_bots column from the start
80 + // Intents Table
1153 81 $intents_table = $wpdb->prefix . 'mxchat_intents';
1154 82 $sql_intents_table = "CREATE TABLE $intents_table (
1155 83 id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
1156 84 intent_label VARCHAR(255) NOT NULL,
@@ -1157,361 +85,70 @@
1157 85 phrases TEXT NOT NULL,
1158 86 embedding_vector LONGTEXT NOT NULL,
1159 87 callback_function VARCHAR(255) NOT NULL,
1160 88 similarity_threshold FLOAT DEFAULT 0.85,
1161 - enabled TINYINT(1) NOT NULL DEFAULT 1,
1162 - enabled_bots LONGTEXT DEFAULT NULL,
1163 89 PRIMARY KEY (id)
1164 90 ) $charset_collate;";
1165 91
1166 - // Individual Intent Phrases Table - each phrase gets its own embedding vector
1167 - $intent_phrases_table = $wpdb->prefix . 'mxchat_intent_phrases';
1168 - $sql_intent_phrases_table = "CREATE TABLE $intent_phrases_table (
1169 - id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
1170 - intent_id BIGINT(20) UNSIGNED NOT NULL,
1171 - phrase TEXT NOT NULL,
1172 - embedding_vector LONGTEXT NOT NULL,
1173 - created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
1174 - PRIMARY KEY (id),
1175 - KEY intent_id (intent_id)
1176 - ) $charset_collate;";
1177 -
1178 92 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
1179 93
1180 - // Create other tables
94 + // Create or update tables
95 + dbDelta($sql_chat_transcripts);
1181 96 dbDelta($sql_system_prompt);
1182 97 dbDelta($sql_intents_table);
1183 - dbDelta($sql_intent_phrases_table);
1184 98
1185 - // Create URL click tracking table
1186 - mxchat_create_url_clicks_table();
1187 -
1188 - // Create Pinecone roles table
1189 - mxchat_create_pinecone_roles_table();
1190 -
1191 - // NEW 2.5.2: Create queue processing tables
1192 - mxchat_create_queue_tables();
99 + // Ensure additional columns in `mxchat_chat_transcripts`
100 + mxchat_add_missing_columns($chat_transcripts_table, 'user_identifier', 'VARCHAR(255)');
101 + mxchat_add_missing_columns($chat_transcripts_table, 'user_email', 'VARCHAR(255) DEFAULT NULL');
1193 102
1194 - // Create transcript translations table
1195 - mxchat_create_translations_table();
103 + // Ensure additional columns in `mxchat_system_prompt_content`
104 + mxchat_add_missing_columns($system_prompt_table, 'embedding_vector', 'LONGTEXT');
105 + mxchat_add_missing_columns($system_prompt_table, 'source_url', 'VARCHAR(255) DEFAULT NULL');
1196 106
1197 - // Create per-session satisfaction ratings table (v3.2.6)
1198 - mxchat_create_session_ratings_table();
1199 -
1200 - // Ensure additional columns in system prompt table
1201 - $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
1202 - if (!empty($existing_system_columns)) {
1203 - $existing_system_column_names = array_column($existing_system_columns, 'Field');
1204 -
1205 - if (!in_array('embedding_vector', $existing_system_column_names)) {
1206 - $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN embedding_vector LONGTEXT");
1207 - }
1208 - if (!in_array('source_url', $existing_system_column_names)) {
1209 - $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN source_url TEXT DEFAULT NULL");
1210 - }
1211 - if (!in_array('role_restriction', $existing_system_column_names)) {
1212 - $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN role_restriction VARCHAR(50) DEFAULT 'public' AFTER source_url");
1213 - }
1214 - }
1215 -
1216 107 // Set default thresholds for existing intents
1217 108 $wpdb->query("UPDATE {$intents_table} SET similarity_threshold = 0.85 WHERE similarity_threshold IS NULL");
1218 -
1219 - // Ensure enabled column exists in intents table
1220 - $existing_intent_columns = $wpdb->get_results("SHOW COLUMNS FROM $intents_table");
1221 - if (!empty($existing_intent_columns)) {
1222 - $existing_intent_column_names = array_column($existing_intent_columns, 'Field');
1223 -
1224 - if (!in_array('enabled', $existing_intent_column_names)) {
1225 - $wpdb->query("ALTER TABLE $intents_table ADD COLUMN enabled TINYINT(1) NOT NULL DEFAULT 1");
1226 - }
1227 -
1228 - // Ensure enabled_bots column exists for existing installations
1229 - if (!in_array('enabled_bots', $existing_intent_column_names)) {
1230 - $wpdb->query("ALTER TABLE $intents_table ADD COLUMN enabled_bots LONGTEXT DEFAULT NULL AFTER enabled");
1231 -
1232 - // Set existing actions to work with default bot
1233 - $default_bots = json_encode(['default']);
1234 - $wpdb->query($wpdb->prepare(
1235 - "UPDATE {$intents_table} SET enabled_bots = %s WHERE enabled_bots IS NULL",
1236 - $default_bots
1237 - ));
1238 - }
1239 - }
109 + mxchat_add_missing_columns($intents_table, 'enabled', 'TINYINT(1) NOT NULL DEFAULT 1');
1240 110
1241 - // Run migration for existing installations
1242 - mxchat_migrate_pinecone_roles_add_bot_id();
1243 -
1244 - // 3.2.4: Backfill active embedding model option (replaces 3.2.3 column-based tracking)
1245 - mxchat_backfill_active_embedding_model();
1246 -
1247 - // Setup cron jobs
1248 - mxchat_setup_cron_jobs();
1249 -
1250 - // Update version (stable base version — never the dev time()-suffixed one,
1251 - // or the check_for_update comparison would churn every request)
1252 - update_option('mxchat_plugin_version', MXCHAT_BASE_VERSION);
1253 -
1254 - //error_log("MxChat: Activation function completed");
111 + // Use the constant instead of hardcoded version
112 + update_option('mxchat_plugin_version', MXCHAT_VERSION);
1255 113 }
1256 114
1257 -/**
1258 - * Setup cron jobs on plugin activation
1259 - */
1260 -function mxchat_setup_cron_jobs() {
1261 - // Clear any existing cron jobs first
1262 - wp_clear_scheduled_hook('mxchat_reset_rate_limits');
1263 -
1264 - // Check if WordPress cron is disabled
1265 - if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) {
1266 - // Set flag to use fallback system
1267 - update_option('mxchat_use_fallback_rate_limits', true);
1268 - update_option('mxchat_next_rate_limit_check', time() + 3600);
1269 - // Deliberately NO early return (plan-bc08a6): transcript cleanup below
1270 - // must still be scheduled. DISABLE_WP_CRON only changes HOW cron events
1271 - // execute (a server-side runner hitting wp-cron.php instead of loopback
1272 - // spawns) — scheduling still just writes the cron option. The old early
1273 - // return here meant a deactivate/reactivate cycle on a DISABLE_WP_CRON
1274 - // site permanently lost the transcript cleanup event while the retention
1275 - // setting still claimed to be active.
1276 - } else {
1277 - // Schedule the rate limit reset cron job
1278 - $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
1279 -
1280 - if ($result === false) {
1281 - // Fallback if scheduling fails
1282 - update_option('mxchat_use_fallback_rate_limits', true);
1283 - update_option('mxchat_next_rate_limit_check', time() + 3600);
1284 - } else {
1285 - // Clear fallback flags if cron scheduling succeeded
1286 - delete_option('mxchat_use_fallback_rate_limits');
1287 - }
115 +function mxchat_add_missing_columns($table, $column_name, $column_type) {
116 + global $wpdb;
117 + $column_exists = $wpdb->get_results($wpdb->prepare("SHOW COLUMNS FROM $table LIKE %s", $column_name));
118 + if (empty($column_exists)) {
119 + $wpdb->query("ALTER TABLE $table ADD COLUMN $column_name $column_type");
1288 120 }
1289 -
1290 - // Schedule transcript cleanup if configured (bucket dropdown OR custom retention-days > 0)
1291 - $transcript_options = get_option('mxchat_transcripts_options', array());
1292 - $cleanup_interval = isset($transcript_options['mxchat_auto_delete_transcripts']) ? $transcript_options['mxchat_auto_delete_transcripts'] : 'never';
1293 - $custom_retention = isset($transcript_options['mxchat_retention_days']) ? (int) $transcript_options['mxchat_retention_days'] : 0;
1294 -
1295 - if ($cleanup_interval !== 'never' || $custom_retention > 0) {
1296 - // Check if not already scheduled
1297 - if (!wp_next_scheduled('mxchat_cleanup_old_transcripts')) {
1298 - // Schedule to run daily at 3 AM
1299 - $next_run = strtotime('tomorrow 3:00 AM');
1300 - wp_schedule_event($next_run, 'daily', 'mxchat_cleanup_old_transcripts');
1301 - }
1302 - }
1303 121 }
1304 122
1305 -/**
1306 - * Clean up on plugin deactivation
1307 - */
1308 -function mxchat_deactivate() {
1309 - // Clear scheduled cron jobs
1310 - wp_clear_scheduled_hook('mxchat_reset_rate_limits');
1311 - wp_clear_scheduled_hook('mxchat_cleanup_old_transcripts');
1312 - wp_clear_scheduled_hook('mxchat_send_delayed_transcript');
1313 -
1314 - // Clear fallback options
1315 - delete_option('mxchat_use_fallback_rate_limits');
1316 - delete_option('mxchat_next_rate_limit_check');
1317 - delete_option('mxchat_fallback_check_interval');
1318 -
1319 - // NOTE: We do NOT delete queue tables on deactivation
1320 - // This preserves data if user accidentally deactivates the plugin
1321 -}
1322 -
1323 -/**
1324 - * Check if fallback rate limit cleanup is needed
1325 - */
1326 -function mxchat_check_fallback_rate_limits() {
1327 - $use_fallback = get_option('mxchat_use_fallback_rate_limits', false);
1328 -
1329 - if (!$use_fallback) {
1330 - return;
1331 - }
1332 -
1333 - $next_check = get_option('mxchat_next_rate_limit_check', 0);
1334 -
1335 - if (time() >= $next_check) {
1336 - // Reuse the bootstrap's integrator — mxchat_init() creates the global on
1337 - // plugins_loaded (before this init-priority-5 callback), so it's always set
1338 - // here. Constructing a second MxChat_Integrator just to call one method
1339 - // re-registers every hook the plugin has (ajax pairs, wp_footer loader,
1340 - // rest_api_init, admin_init guard) on a duplicate instance for the rest of
1341 - // the request. Defensive construction only if the global is somehow unset.
1342 - // NOTE: MxChat_Integrator::check_fallback_rate_limits() is a second
1343 - // implementation of this same check — if either changes, change both.
1344 - global $mxchat_integrator;
1345 - $integrator = ($mxchat_integrator instanceof MxChat_Integrator)
1346 - ? $mxchat_integrator
1347 - : (class_exists('MxChat_Integrator') ? new MxChat_Integrator() : null);
1348 - if ($integrator && method_exists($integrator, 'mxchat_reset_rate_limits')) {
1349 - $integrator->mxchat_reset_rate_limits();
1350 - update_option('mxchat_next_rate_limit_check', time() + 3600);
1351 - }
1352 - }
1353 -}
1354 -
1355 -/**
1356 - * Robust update checking with role restriction migration, model deprecation, and queue tables
1357 - * CRITICAL: This runs on EVERY page load to ensure tables exist
1358 - */
1359 123 function mxchat_check_for_update() {
1360 - global $wpdb;
1361 -
1362 124 try {
1363 - $current_version = get_option('mxchat_plugin_version', '0.0.0');
1364 - $plugin_version = MXCHAT_BASE_VERSION;
125 + $current_version = get_option('mxchat_plugin_version');
126 + $plugin_version = MXCHAT_VERSION;
1365 127
1366 - // Always ensure critical tables exist (even if version matches)
1367 - // This handles manual table deletion or fresh installs
1368 - $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
1369 - $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
1370 -
1371 - $chat_exists = $wpdb->get_var("SHOW TABLES LIKE '$chat_table'") === $chat_table;
1372 - $queue_exists = $wpdb->get_var("SHOW TABLES LIKE '$queue_table'") === $queue_table;
1373 -
1374 - if (!$chat_exists || !$queue_exists) {
1375 - //error_log("MxChat: Critical tables missing, running activation");
1376 - mxchat_activate();
1377 - }
1378 -
1379 - // Version-specific migrations
1380 128 if ($current_version !== $plugin_version) {
1381 - //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1382 -
1383 129 // Run live agent update BEFORE updating the stored version
1384 130 mxchat_handle_live_agent_update();
1385 -
1386 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1387 - mxchat_handle_theme_migration_notice();
1388 131
1389 - // Run role restriction migration for 2.4.1
1390 - if (version_compare($current_version, '2.4.1', '<')) {
1391 - mxchat_add_role_restriction_column();
1392 - }
1393 -
1394 - // Run enabled_bots column migration for 2.4.4
1395 - if (version_compare($current_version, '2.4.4', '<')) {
1396 - mxchat_add_enabled_bots_column();
1397 - }
1398 -
1399 - // Run model migration for 2.5.1 (Claude deprecation)
1400 - if (version_compare($current_version, '2.5.1', '<')) {
1401 - mxchat_migrate_deprecated_models();
1402 - }
1403 -
1404 - // 2.5.2: Ensure queue tables exist and fix URL column sizes for all users upgrading to 2.5.2
1405 - if (version_compare($current_version, '2.5.2', '<')) {
1406 - mxchat_create_queue_tables();
1407 - mxchat_fix_url_column_size(); // NEW: Fix URL column size for long URLs
1408 - //error_log("MxChat: Queue tables created and URL columns updated for upgrade to 2.5.2");
1409 - }
1410 -
1411 - // 2.6.0: Ensure rag_context column exists for retrieved documents feature
1412 - if (version_compare($current_version, '2.6.0', '<')) {
1413 - $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
1414 - mxchat_ensure_all_columns($chat_table);
1415 - //error_log("MxChat: rag_context column migration for 2.6.0");
1416 - }
1417 -
1418 - // 3.0.5: Migrate deprecated Gemini embedding model
1419 - if (version_compare($current_version, '3.0.5', '<')) {
1420 - mxchat_migrate_gemini_embedding_model();
1421 - }
1422 -
1423 - // 3.0.6: Migrate deprecated OpenAI and Claude models
1424 - if (version_compare($current_version, '3.0.6', '<')) {
1425 - mxchat_migrate_deprecated_models();
1426 - }
1427 -
1428 - // 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
1429 - if (version_compare($current_version, '3.1.2', '<')) {
1430 - mxchat_migrate_transcripts_charset();
1431 - }
1432 -
1433 - // 3.1.7: Clean up stale shared session email/name entries
1434 - if (version_compare($current_version, '3.1.7', '<')) {
1435 - delete_option('mxchat_email_null');
1436 - delete_option('mxchat_name_null');
1437 - }
1438 -
1439 - // 3.2.4: Backfill active embedding model option for the warning UI
1440 - // (replaces the per-row column tracking from 3.2.3, which was reverted)
1441 - if (version_compare($current_version, '3.2.4', '<')) {
1442 - mxchat_backfill_active_embedding_model();
1443 - }
1444 -
1445 - // 3.2.15: Migrate retired DeepSeek ids (deepseek-chat / deepseek-reasoner
1446 - // were shut off at the vendor on 2026-07-24). The function is idempotent —
1447 - // it only rewrites models on its deprecation lists.
1448 - if (version_compare($current_version, '3.2.15', '<')) {
1449 - mxchat_migrate_deprecated_models();
1450 - }
1451 -
1452 - // 3.2.16: Migrate OpenAI ids retiring 2026-08-10 (gpt-5.1-chat-latest /
1453 - // gpt-5.3-chat-latest → gpt-5.6-sol per OpenAI's deprecations page).
1454 - // Idempotent — only rewrites models on the deprecation lists (e46b8f).
1455 - if (version_compare($current_version, '3.2.16', '<')) {
1456 - mxchat_migrate_deprecated_models();
1457 - }
1458 -
1459 - // Run full activation to ensure everything is up to date
132 + // Run existing update processes
1460 133 mxchat_activate();
1461 -
1462 - // Run migration functions
1463 134 mxchat_migrate_live_agent_status();
1464 135
1465 - // Add the cleanup function for version 2.1.8
136 + // Add the new cleanup function for version 2.1.8
1466 137 if (version_compare($current_version, '2.1.8', '<')) {
1467 138 $deleted = mxchat_cleanup_orphaned_chat_history();
1468 139 }
1469 140
1470 - // Update version LAST
141 + // Update version LAST so the live agent update logic can work
1471 142 update_option('mxchat_plugin_version', $plugin_version);
1472 -
1473 - //error_log("MxChat: Updated from version $current_version to $plugin_version");
1474 143 }
1475 -
1476 144 } catch (Exception $e) {
1477 - //error_log('MxChat update error: ' . $e->getMessage());
145 + error_log('MxChat update error: ' . $e->getMessage());
1478 146 // Don't update version if there was an error
1479 147 }
1480 148 }
1481 149
1482 150 /**
1483 - * Ensure tables exist on every admin load for fresh installations
1484 - * This is a safety net for cases where activation hook doesn't fire
1485 - */
1486 -function mxchat_ensure_tables_exist() {
1487 - global $wpdb;
1488 -
1489 - // Only run for admin users to avoid performance impact
1490 - if (!current_user_can('administrator')) {
1491 - return;
1492 - }
1493 -
1494 - // Check if we've already verified tables in this session
1495 - static $tables_checked = false;
1496 - if ($tables_checked) {
1497 - return;
1498 - }
1499 - $tables_checked = true;
1500 -
1501 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
1502 - $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
1503 -
1504 - $chat_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
1505 - $queue_exists = $wpdb->get_var("SHOW TABLES LIKE '$queue_table'") === $queue_table;
1506 -
1507 - if (!$chat_exists || !$queue_exists) {
1508 - //error_log("MxChat: Tables missing on admin load, running activation");
1509 - mxchat_activate();
1510 - }
1511 -}
1512 -
1513 -/**
1514 151 * Clean up orphaned chat history options from the wp_options table
1515 152 * @return int Number of options deleted
1516 153 */
1517 154 function mxchat_cleanup_orphaned_chat_history() {
@@ -1542,9 +179,8 @@
1542 179 if ($exists == 0) {
1543 180 delete_option($option->option_name);
1544 181 // Also delete related metadata
1545 182 delete_option("mxchat_email_{$session_id}");
1546 - delete_option("mxchat_name_{$session_id}");
1547 183 delete_option("mxchat_agent_name_{$session_id}");
1548 184 $count++;
1549 185 }
1550 186 }
@@ -1588,77 +224,39 @@
1588 224 function mxchat_handle_live_agent_update() {
1589 225 // Get the CURRENT stored version (before it gets updated)
1590 226 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1591 227 $new_version = '2.2.2';
1592 -
228 +
1593 229 // Only run this once for the update to 2.2.2
1594 230 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1595 -
231 +
1596 232 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1597 233 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1598 234 $options = get_option('mxchat_options', array());
1599 -
235 +
1600 236 // Check if live agent was previously enabled
1601 237 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1602 238 // Disable live agent
1603 239 $options['live_agent_status'] = 'off';
1604 240 update_option('mxchat_options', $options);
1605 -
241 +
1606 242 // Set flag to show the notification banner
1607 243 update_option('mxchat_show_live_agent_disabled_notice', true);
1608 244 }
1609 -
245 +
1610 246 // Mark this update as handled
1611 247 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1612 248 }
1613 249 }
1614 250
1615 -/**
1616 - * Handle theme migration notice for version 3.0.1
1617 - * Shows a dismissible notice to Pro users about migrating AI-generated themes
1618 - */
1619 -function mxchat_handle_theme_migration_notice() {
1620 - // Get the CURRENT stored version (before it gets updated)
1621 - $current_version = get_option('mxchat_plugin_version', '0.0.0');
1622 - $target_version = '3.0.1';
1623 -
1624 - // Only run this once for the update to 3.0.1
1625 - $update_handled = get_option('mxchat_theme_migration_update_3_0_1_handled', false);
1626 -
1627 - // Check if we're upgrading TO 3.0.1 and haven't handled this yet
1628 - if (version_compare($current_version, $target_version, '<') && !$update_handled) {
1629 - // Check if Pro is activated - only show to Pro users
1630 - $license_status = get_option('mxchat_license_status', 'inactive');
1631 - $is_pro = ($license_status === 'active');
1632 -
1633 - if ($is_pro) {
1634 - // Set flag to show the theme migration notification banner
1635 - update_option('mxchat_show_theme_migration_notice', true);
1636 - }
1637 -
1638 - // Mark this update as handled (whether Pro or not)
1639 - update_option('mxchat_theme_migration_update_3_0_1_handled', true);
1640 - }
1641 -}
1642 -
1643 251 // Initialize plugin safely
1644 252 function mxchat_init() {
1645 253 // Include all class files first
1646 254 mxchat_include_classes();
1647 255
1648 - // Run update check (this also ensures tables exist)
256 + // Run update check
1649 257 mxchat_check_for_update();
1650 258
1651 - // CRITICAL: Ensure tables exist on admin pages (safety net)
1652 - add_action('admin_init', 'mxchat_ensure_tables_exist', 1);
1653 -
1654 - // Add fallback rate limit check
1655 - add_action('init', 'mxchat_check_fallback_rate_limits', 5);
1656 -
1657 - // Add migration notice hook
1658 - add_action('admin_notices', 'mxchat_show_migration_notice');
1659 - add_action('admin_notices', 'mxchat_show_model_access_notice');
1660 -
1661 259 // Initialize classes with error handling
1662 260 try {
1663 261 // Initialize admin classes
1664 262 if (is_admin()) {
@@ -1668,37 +266,10 @@
1668 266 if (class_exists('MxChat_Admin')) {
1669 267 $mxchat_admin = new MxChat_Admin($mxchat_knowledge_manager);
1670 268 }
1671 269 }
1672 -
1673 - // Initialize meta box class
1674 - if (class_exists('MxChat_Meta_Box')) {
1675 - new MxChat_Meta_Box();
1676 - }
1677 -
1678 270 }
1679 -
1680 - // Initialize content generator globally — it registers wp_head hook
1681 - // for frontend CSS injection, plus wp_ajax_ hooks for admin.
1682 - if (class_exists('MxChat_Content_Generator')) {
1683 - new MxChat_Content_Generator();
1684 - }
1685 -
1686 - // Initialize cache purge globally — settings writes can happen on any
1687 - // request type (admin screens, admin-ajax autosave, wp-cli), and the
1688 - // deferred-purge cron event fires on front-end requests.
1689 - if (class_exists('MxChat_Cache_Purge')) {
1690 - MxChat_Cache_Purge::init();
1691 - }
1692 -
1693 - // Initialize REST API globally — endpoints must be registered on
1694 - // every request (admin and frontend) so they're reachable via /wp-json/.
1695 - // Endpoints are auth-gated and locked until the site owner generates
1696 - // a token in MxChat → API Access.
1697 - if (class_exists('MxChat_Rest_Api')) {
1698 - new MxChat_Rest_Api();
1699 - }
1700 -
271 +
1701 272 // Initialize public classes
1702 273 if (class_exists('MxChat_Public')) {
1703 274 $mxchat_public = new MxChat_Public();
1704 275 }
@@ -1703,14 +274,13 @@
1703 274 $mxchat_public = new MxChat_Public();
1704 275 }
1705 276
1706 277 if (class_exists('MxChat_Integrator')) {
1707 - global $mxchat_integrator;
1708 278 $mxchat_integrator = new MxChat_Integrator();
1709 279 }
1710 280
1711 281 } catch (Exception $e) {
1712 - //error_log('MxChat initialization error: ' . $e->getMessage());
282 + error_log('MxChat initialization error: ' . $e->getMessage());
1713 283
1714 284 // Show admin notice if there's an error
1715 285 if (is_admin()) {
1716 286 add_action('admin_notices', function() use ($e) {
@@ -1725,74 +295,8 @@
1725 295
1726 296 // Run initialization on plugins_loaded
1727 297 add_action('plugins_loaded', 'mxchat_init');
1728 298
1729 -// Run migration check on admin init (for auto-updates without reactivation)
1730 -add_action('admin_init', 'mxchat_check_and_run_migrations');
1731 -
1732 -/**
1733 - * Check and run migrations on admin init
1734 - * This ensures migrations run even when plugin is auto-updated
1735 - */
1736 -function mxchat_check_and_run_migrations() {
1737 - // Only run in admin and not on every request
1738 - static $checked = false;
1739 - if ($checked) {
1740 - return;
1741 - }
1742 - $checked = true;
1743 -
1744 - mxchat_migrate_pinecone_roles_add_bot_id();
1745 - mxchat_migrate_add_content_type_column();
1746 - mxchat_migrate_add_translations_table();
1747 - mxchat_migrate_add_session_ratings_table();
1748 -}
1749 -
1750 -/**
1751 - * Migration: Create per-session satisfaction ratings table (v3.2.6)
1752 - * For users upgrading from versions before 3.2.6
1753 - */
1754 -function mxchat_migrate_add_session_ratings_table() {
1755 - $migration_key = 'mxchat_session_ratings_table_created';
1756 - if (get_option($migration_key)) {
1757 - return;
1758 - }
1759 - mxchat_create_session_ratings_table();
1760 - update_option($migration_key, '3.2.6');
1761 -}
1762 -
1763 -/**
1764 - * Migration: Create transcript translations table (v3.0.4)
1765 - * For users upgrading from versions before 3.0.4
1766 - */
1767 -function mxchat_migrate_add_translations_table() {
1768 - $migration_key = 'mxchat_translations_table_created';
1769 -
1770 - // Check if migration already ran
1771 - if (get_option($migration_key)) {
1772 - return;
1773 - }
1774 -
1775 - // Create the translations table
1776 - mxchat_create_translations_table();
1777 -
1778 - // Mark migration as complete
1779 - update_option($migration_key, '3.0.4');
1780 -}
1781 -
1782 -/**
1783 - * Migration: Update deprecated Gemini embedding model (v3.0.5)
1784 - * Updates gemini-embedding-exp-03-07 to gemini-embedding-001 for users who had it selected
1785 - */
1786 -function mxchat_migrate_gemini_embedding_model() {
1787 - $options = get_option('mxchat_options', array());
1788 -
1789 - if (isset($options['embedding_model']) && $options['embedding_model'] === 'gemini-embedding-exp-03-07') {
1790 - $options['embedding_model'] = 'gemini-embedding-001';
1791 - update_option('mxchat_options', $options);
1792 - }
1793 -}
1794 -
1795 299 // Register activation hook
1796 300 register_activation_hook(__FILE__, 'mxchat_activate');
1797 301
1798 302 // Add cron schedule
@@ -1803,68 +307,13 @@
1803 307 );
1804 308 return $schedules;
1805 309 });
1806 310
1807 -// Register deactivation hook
1808 -register_deactivation_hook(__FILE__, 'mxchat_deactivate');
1809 -
1810 -/**
1811 - * Per-session satisfaction rating: AJAX save handler (v3.2.6).
1812 - * Records one 👍/👎 + optional feedback per chat session. The UNIQUE KEY on
1813 - * session_id makes this naturally idempotent — only the first rating per
1814 - * session is stored; duplicate POSTs are silent no-ops.
1815 - */
1816 -function mxchat_save_session_rating() {
1817 - global $wpdb;
1818 -
1819 - $session_id = isset($_POST['session_id']) ? MxChat_Utils::sanitize_session_id(wp_unslash($_POST['session_id'])) : '';
1820 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field(wp_unslash($_POST['bot_id'])) : 'default';
1821 - $rating_raw = isset($_POST['rating']) ? (int) $_POST['rating'] : 0;
1822 - $feedback = isset($_POST['feedback']) ? sanitize_textarea_field(wp_unslash($_POST['feedback'])) : '';
1823 -
1824 - if ($session_id === '' || ($rating_raw !== 1 && $rating_raw !== -1)) {
1825 - wp_send_json_error(array('message' => 'invalid_input'), 400);
1826 - }
1827 -
1828 - if (strlen($feedback) > 1000) {
1829 - $feedback = substr($feedback, 0, 1000);
1830 - }
1831 -
1832 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
1833 - $existing = $wpdb->get_var($wpdb->prepare(
1834 - "SELECT id FROM $table_name WHERE session_id = %s LIMIT 1",
1835 - $session_id
1836 - ));
1837 -
1838 - if ($existing) {
1839 - if ($feedback !== '') {
1840 - $wpdb->update(
1841 - $table_name,
1842 - array('rating_feedback' => $feedback),
1843 - array('id' => (int) $existing),
1844 - array('%s'),
1845 - array('%d')
1846 - );
311 +// Register deactivation hook - wrap in a callback to ensure the integrator exists
312 +register_deactivation_hook(__FILE__, function() {
313 + if (class_exists('MxChat_Integrator')) {
314 + $integrator = new MxChat_Integrator();
315 + if (method_exists($integrator, 'cleanup_cron_events')) {
316 + $integrator->cleanup_cron_events();
1847 317 }
1848 - wp_send_json_success(array('updated' => true));
1849 318 }
1850 -
1851 - $inserted = $wpdb->insert(
1852 - $table_name,
1853 - array(
1854 - 'session_id' => $session_id,
1855 - 'bot_id' => $bot_id !== '' ? $bot_id : 'default',
1856 - 'rating_value' => $rating_raw,
1857 - 'rating_feedback' => $feedback !== '' ? $feedback : null,
1858 - 'created_at' => current_time('mysql'),
1859 - ),
1860 - array('%s', '%s', '%d', '%s', '%s')
1861 - );
1862 -
1863 - if ($inserted === false) {
1864 - wp_send_json_error(array('message' => 'db_insert_failed'), 500);
1865 - }
1866 -
1867 - wp_send_json_success(array('saved' => true));
1868 -}
1869 -add_action('wp_ajax_mxchat_save_rating', 'mxchat_save_session_rating');
1870 -add_action('wp_ajax_nopriv_mxchat_save_rating', 'mxchat_save_session_rating');
319 +});